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US Patent: 389,276
Expanding Pulley
Patentees: Judah Levy Yuly (exact or similar names) - Southsea, Hampshire County, England Herbert Walter Andrews (exact or similar names) - Southsea, Hampshire County, England USPTO Classifications: 474/56 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 06, 1887 Granted: Sep. 11, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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